ORA-28020: IDENTIFIED GLOBALLY already specified
Cause: The IDENTIFIED GLOBALLY clause was specified twice.
Action: Use only one IDENTIFIED GLOBALLY clause.
ORA-28020: IDENTIFIED GLOBALLY already specified错误提示操作系统已定义了一个名为“GLOBALLY”的登录映射，但作为一项分配到用户或组的操作系统工具，它可以使用全局ID进行身份验证。